Strongs Concordance:

My father a king, or father of a king, a common name of the Philistine kings, as "Pharaoh" was of the Egyptian kings.

1. The Philistine king of Gerar in the time of Abraham (Genesis 20:1-18). By an interposition of Providence, Sarah was delivered from his harem, and was restored to her husband Abraham. As a mark of respect he gave to Abraham valuable gifts, and offered him a settlement in any part of his country; while at the same time he delicately and yet severely rebuked him for having practised a deception upon him in pretending that Sarah was only his sister. Among the gifts presented by the king were a thousand pieces of silver as a "covering of the eyes" for Sarah; i.e., either as an atoning gift and a testimony of her innocence in the sight of all, or rather for the purpose of procuring a veil for Sarah to conceal her beauty, and thus as a reproof to her for not having worn a veil which, as a married woman, she ought to have done. A few years after this Abimelech visited Abraham, who had removed southward beyond his territory, and there entered into a league of peace and friendship with him. This league was the first of which we have any record. It was confirmed by a mutual oath at Beer-sheba (Genesis 21:22-34).

2. A king of Gerar in the time of Isaac, probably the son of the preceeding (Genesis 26:1-22). Isaac sought refuge in his territory during a famine, and there he acted a part with reference to his wife Rebekah similar to that of his father Abraham with reference to Sarah. Abimelech rebuked him for the deception, which he accidentally discovered. Isaac settled for a while here, and prospered. Abimelech desired him, however, to leave his territory, which Isaac did. Abimelech afterwards visited him when he was encamped at Beer-sheba, and expressed a desire to renew the covenant which had been entered into between their fathers (Genesis 26:26-31).

3. A son of Gideon (Judges 9:1), who was proclaimed king after the death of his father (Judges 8:33-9:6). One of his first acts was to murder his brothers, seventy in number, "on one stone," at Ophrah. Only one named Jotham escaped. He was an unprincipled, ambitious ruler, often engaged in war with his own subjects. When engaged in reducing the town of Thebez, which had revolted, he was struck mortally on his head by a mill-stone, thrown by the hand of a woman from the wall above. Perceiving that the wound was mortal, he desired his armour-bearer to thrust him through with his sword, that it might not be said he had perished by the hand of a woman (Judges 9:50-57).

4. The son of Abiathar, and high priest in the time of David (1 Chronicles 18:16). In the parallel passage, 2 Samuel 8:17, we have the name Ahimelech, and Abiathar, the son of Ahimelech. This most authorities consider the more correct reading.

(father of the king), the name of several Philistine kings, was probably a common title of these kings, like that of Pharaoh among the Egyptians and that of C'sar and Augustus among the Romans. Hence in the title of (Psalms 34:1) ... the name of Abimelech is given to the king, who is called Achish in (1 Samuel 21:11)

A Philistine, king of Gerar, Genesis 20,21, who, exercising the right claimed by Eastern princes of collecting all the beautiful women of their dominions into their harem, (Genesis 12:15; Esther 2:3) sent for and took Sarah. A similar account is given of Abraham's conduct of this occasion to that of his behavior towards Pharaoh. [ABRAHAM] (B.C. 1920.)

Another king of Gerar int he time of Isaac, of whom a similar narrative is recorded in relation to Rebekah. (Genesis 26:1) etc. (B.C. 1817.)

Son of the judge Gideon by his Shechemite concubine. (Judges 8:31) (B.C. 1322-1319.) After his father's death he murdered all his brethren, 70 in number, with the exception of Jotham, the youngest, who concealed himself; and he then persuaded the Shechemites to elect him king. Shechem now became an independent state. After Abimelech had reigned three years, the citizens of Shechem rebelled. He was absent at the time, but he returned and quelled the insurrection. Shortly after he stormed and took Thebez, but was struck on the head by a woman with the fragment of a millstone, comp. (2 Samuel 11:21) and lest he should be said to have died by a woman, he bade his armor-bearer slay him.